Merge pull request #388 from sanalabs/uk/decode-methods

Add decode methods
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Kevin Jahns 2022-03-01 15:16:59 +01:00 committed by GitHub
commit 46e108f345
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2 changed files with 26 additions and 0 deletions

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@ -67,6 +67,8 @@ export {
decodeStateVector,
logUpdate,
logUpdateV2,
decodeUpdate,
decodeUpdateV2,
relativePositionToJSON,
isDeleted,
isParentOf,

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@ -112,6 +112,30 @@ export const logUpdateV2 = (update, YDecoder = UpdateDecoderV2) => {
logging.print('DeleteSet: ', ds)
}
/**
* @param {Uint8Array} update
*
*/
export const decodeUpdate = (update) => decodeUpdateV2(update, UpdateDecoderV1)
/**
* @param {Uint8Array} update
* @param {typeof UpdateDecoderV2 | typeof UpdateDecoderV1} [YDecoder]
*
*/
export const decodeUpdateV2 = (update, YDecoder = UpdateDecoderV2) => {
const structs = []
const updateDecoder = new UpdateDecoderV1(decoding.createDecoder(update))
const lazyDecoder = new LazyStructReader(updateDecoder, false)
for (let curr = lazyDecoder.curr; curr !== null; curr = lazyDecoder.next()) {
structs.push(curr)
}
return {
'structs': structs,
'ds': readDeleteSet(updateDecoder),
}
}
export class LazyStructWriter {
/**
* @param {UpdateEncoderV1 | UpdateEncoderV2} encoder